X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fsharpsl.c;h=1924a4f137c79eed315673de214224d225e78e70;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=29572793334c2ad70a06f22d85c7dedc484da7d0;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index 295727933..1924a4f13 100755
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2004 Richard Purdie
  *
- *  $Id: sharpsl.c,v 1.3 2005/01/03 14:53:50 rpurdie Exp $
+ *  $Id: sharpsl.c,v 1.7 2005/11/07 11:14:31 gleixner Exp $
  *
  *  Based on Sharp's NAND driver sharp_sl.c
  *
@@ -76,14 +76,14 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = {
 	},
 };
 
-/* 
+/*
  *	hardware specific access to control-lines
  */
 static void
 sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
 {
 	switch (cmd) {
-	case NAND_CTL_SETCLE: 
+	case NAND_CTL_SETCLE:
 		writeb(readb(FLASHCTL) | FLCLE, FLASHCTL);
 		break;
 	case NAND_CTL_CLRCLE:
@@ -97,10 +97,10 @@ sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
 		writeb(readb(FLASHCTL) & ~FLALE, FLASHCTL);
 		break;
 
-	case NAND_CTL_SETNCE: 
+	case NAND_CTL_SETNCE:
 		writeb(readb(FLASHCTL) & ~(FLCE0|FLCE1), FLASHCTL);
 		break;
-	case NAND_CTL_CLRNCE: 
+	case NAND_CTL_CLRNCE:
 		writeb(readb(FLASHCTL) | (FLCE0|FLCE1), FLASHCTL);
 		break;
 	}
@@ -115,6 +115,23 @@ static struct nand_bbt_descr sharpsl_bbt = {
 	.pattern = scan_ff_pattern
 };
 
+static struct nand_bbt_descr sharpsl_akita_bbt = {
+	.options = 0,
+	.offs = 4,
+	.len = 1,
+	.pattern = scan_ff_pattern
+};
+
+static struct nand_oobinfo akita_oobinfo = {
+	.useecc = MTD_NANDECC_AUTOPLACE,
+	.eccbytes = 24,
+	.eccpos = {
+		0x5,  0x1,  0x2,  0x3,  0x6,  0x7,  0x15, 0x11,
+		0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
+		0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
+	.oobfree = { {0x08, 0x09} }
+};
+
 static int
 sharpsl_nand_dev_ready(struct mtd_info* mtd)
 {
@@ -160,7 +177,7 @@ sharpsl_nand_init(void)
 		printk ("Unable to allocate SharpSL NAND MTD device structure.\n");
 		return -ENOMEM;
 	}
-	
+
 	/* map physical adress */
 	sharpsl_io_base = ioremap(sharpsl_phys_base, 0x1000);
 	if(!sharpsl_io_base){
@@ -168,7 +185,7 @@ sharpsl_nand_init(void)
 		kfree(sharpsl_mtd);
 		return -EIO;
 	}
-	
+
 	/* Get pointer to private data */
 	this = (struct nand_chip *) (&sharpsl_mtd[1]);
 
@@ -194,10 +211,14 @@ sharpsl_nand_init(void)
 	this->chip_delay = 15;
 	/* set eccmode using hardware ECC */
 	this->eccmode = NAND_ECC_HW3_256;
+	this->badblock_pattern = &sharpsl_bbt;
+	if (machine_is_akita() || machine_is_borzoi()) {
+		this->badblock_pattern = &sharpsl_akita_bbt;
+		this->autooob = &akita_oobinfo;
+	}
 	this->enable_hwecc = sharpsl_nand_enable_hwecc;
 	this->calculate_ecc = sharpsl_nand_calculate_ecc;
 	this->correct_data = nand_correct_data;
-	this->badblock_pattern = &sharpsl_bbt;
 
 	/* Scan to find existence of the device */
 	err=nand_scan(sharpsl_mtd,1);
@@ -211,20 +232,26 @@ sharpsl_nand_init(void)
 	sharpsl_mtd->name = "sharpsl-nand";
 	nr_partitions = parse_mtd_partitions(sharpsl_mtd, part_probes,
 						&sharpsl_partition_info, 0);
-						 
+
 	if (nr_partitions <= 0) {
 		nr_partitions = DEFAULT_NUM_PARTITIONS;
 		sharpsl_partition_info = sharpsl_nand_default_partition_info;
 		if (machine_is_poodle()) {
-			sharpsl_partition_info[1].size=22 * 1024 * 1024;
+			sharpsl_partition_info[1].size=30 * 1024 * 1024;
 		} else if (machine_is_corgi() || machine_is_shepherd()) {
 			sharpsl_partition_info[1].size=25 * 1024 * 1024;
 		} else if (machine_is_husky()) {
 			sharpsl_partition_info[1].size=53 * 1024 * 1024;
-		} 		
+		} else if (machine_is_spitz()) {
+			sharpsl_partition_info[1].size=5 * 1024 * 1024;
+		} else if (machine_is_akita()) {
+			sharpsl_partition_info[1].size=58 * 1024 * 1024;
+		} else if (machine_is_borzoi()) {
+			sharpsl_partition_info[1].size=32 * 1024 * 1024;
+		}
 	}
 
-	if (machine_is_husky()) {
+	if (machine_is_husky() || machine_is_borzoi() || machine_is_akita()) {
 		/* Need to use small eraseblock size for backward compatibility */
 		sharpsl_mtd->flags |= MTD_NO_VIRTBLOCKS;
 	}